/**** 
* Classes
****/
var Arrow = Container.expand(function () {
	var self = Container.call(this);
	var arrowGraphics = self.attachAsset('arrow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.move = function () {
		self.y -= self.speed;
	};
	self.isOffScreen = function () {
		return self.y < -self.height;
	};
});
var Bow = Container.expand(function () {
	var self = Container.call(this);
	var bowGraphics = self.attachAsset('bow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shoot = function () {
		var arrow = new Arrow();
		arrow.x = self.x;
		arrow.y = self.y;
		game.addChild(arrow);
		arrows.push(arrow);
	};
});
var Target = Container.expand(function () {
	var self = Container.call(this);
	var targetGraphics = self.attachAsset('target', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hitTest = function (arrow) {
		return self.intersects(arrow);
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/
var arrows = [];
var targets = [];
var bow = new Bow();
bow.x = 2048 / 2;
bow.y = 2732 - 200;
game.addChild(bow);
// Create targets
function createTargets() {
	for (var i = 0; i < 10; i++) {
		var target = new Target();
		target.x = 2048 / 11 * (i + 1);
		target.y = 200;
		game.addChild(target);
		targets.push(target);
	}
}
createTargets();
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	bow.x = pos.x;
	bow.shoot();
});
LK.on('tick', function () {
	for (var i = arrows.length - 1; i >= 0; i--) {
		var arrow = arrows[i];
		arrow.move();
		if (arrow.isOffScreen()) {
			arrow.destroy();
			arrows.splice(i, 1);
		} else {
			for (var j = targets.length - 1; j >= 0; j--) {
				var target = targets[j];
				if (target.hitTest(arrow)) {
					arrow.destroy();
					arrows.splice(i, 1);
					target.destroy();
					targets.splice(j, 1);
					break;
				}
			}
		}
	}
	if (targets.length === 0) {
		createTargets();
	}
});